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Finding the Fourth Proportional to 273,011,072.40, 409,516,608.60 and 240,699,459.60

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Solution

The fourth proportional to 273,011,072.40, 409,516,608.60 and 240,699,459.60 is: 361,049,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,011,072.40 : 409,516,608.60 = 240,699,459.60 : x
  2. Step 2: Convert to fraction form
    273,011,072.40/409,516,608.60 = 240,699,459.60/x
  3. Step 3: Cross multiply
    273,011,072.40x = 409,516,608.60 × 240,699,459.60
  4. Step 4: Simplify right side
    273,011,072.40x = 98,570,426,387,244,720
  5. Step 5: Solve for x
    x = 98,570,426,387,244,720/273,011,072.40
  6. Step 6: Final answer
    x = 361,049,189.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.